package cn.wolfcode.wolf2w.service.impl;

import cn.wolfcode.wolf2w.domain.Region;
import cn.wolfcode.wolf2w.query.RegionQuery;
import cn.wolfcode.wolf2w.repository.RegionRepository;
import cn.wolfcode.wolf2w.service.IRegionService;
import cn.wolfcode.wolf2w.util.DBHelper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.*;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.data.mongodb.core.query.Update;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;

import java.util.List;

@Service
public class RegionServiceImpl implements IRegionService {

    @Autowired
    private RegionRepository regionRepository;
    @Autowired
    private MongoTemplate template;

    @Override
    public void save(Region region) {
        region.setId(null);
        regionRepository.save(region);
    }

    @Override
    public void update(Region region) {
        regionRepository.save(region);
    }

    @Override
    public void delete(String id) {
        regionRepository.deleteById(id);
    }

    @Override
    public Region get(String id) {
        return regionRepository.findById(id).orElse(null);
    }

    @Override
    public List<Region> listAll() {
        return regionRepository.findAll();
    }

    @Override
    public Page<Region> query(RegionQuery qo) {
        //创建查询对象
        Query query = new Query();

        PageRequest pageable = PageRequest.of(qo.getCurrentPage()-1, qo.getPageSize(), Sort.Direction.ASC, "_id");
        return DBHelper.query(template,Region.class,query,pageable);
    }

    @Override
    public void saveOrUpdate(Region region) {

        if (!StringUtils.hasLength(region.getId())){

            this.save(region);

        }else {
            this.update(region);
        }
    }

    @Override
    public void changeHotValue(String id, int hot) {
        //查询
        Region region = this.get(id);
        //替换
        region.setIshot(hot);
        //更新
        this.update(region);
/*
        Query query = new Query();
        query.addCriteria(Criteria.where("_id").is(id));
        Update update = new Update();
        update.set("ishot",hot);
        template.updateMulti(query,update,Region.class);*/
    }

    @Override
    public List<Region> queryHotRegion() {

        return regionRepository.findByIshotOrderBySequence(Region.STATE_HOT);
    }


}
